Hi, is there an open-sourced code for these simulations?

seen here:
another question, have anyone made a version of this in Python already?
Thank you!
Hi, is there an open-sourced code for these simulations?

seen here:
another question, have anyone made a version of this in Python already?
Thank you!
note: I could reverse engineer… but try to get the pre-bundled code seems like a less time-consuming, and more productive task. 